148 lines
5.0 KiB
C
148 lines
5.0 KiB
C
/*
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* Copyright (c) 2013, NVIDIA CORPORATION.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and/or associated documentation files (the
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* "Materials"), to deal in the Materials without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Materials, and to
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* permit persons to whom the Materials are furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* unaltered in all copies or substantial portions of the Materials.
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* Any additions, deletions, or changes to the original source files
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* must be clearly indicated in accompanying documentation.
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*
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* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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#if !defined(__LIB_GLX_MAPPING_H)
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#define __LIB_GLX_MAPPING_H
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#include "libglxabipriv.h"
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#include "GLdispatch.h"
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#include "lkdhash.h"
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#include "winsys_dispatch.h"
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#define GLX_CLIENT_STRING_LAST_ATTRIB GLX_EXTENSIONS
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/*!
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* Structure containing relevant per-vendor information.
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*/
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struct __GLXvendorInfoRec {
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int vendorID; //< unique GLdispatch ID
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char *name; //< name of the vendor
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void *dlhandle; //< shared library handle
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/// dynamic GLX dispatch table
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__GLVNDwinsysVendorDispatch *dynDispatch;
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__GLdispatchTable *glDispatch; //< GL dispatch table
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const __GLXapiImports *glxvc;
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const __GLdispatchPatchCallbacks *patchCallbacks;
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__GLXdispatchTableStatic staticDispatch; //< static GLX dispatch table
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};
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typedef struct __GLXvendorXIDMappingHashRec __GLXvendorXIDMappingHash;
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/*!
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* Structure containing per-display information.
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*/
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typedef struct __GLXdisplayInfoRec {
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Display *dpy;
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char *clientStrings[GLX_CLIENT_STRING_LAST_ATTRIB];
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/**
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* An array of vendors for each screen.
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*
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* Do not access this directly. Instead, call \c __glXLookupVendorByScreen.
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*/
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__GLXvendorInfo **vendors;
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glvnd_rwlock_t vendorLock;
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DEFINE_LKDHASH(__GLXvendorXIDMappingHash, xidVendorHash);
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/// True if the server supports the GLX extension.
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Bool glxSupported;
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/// The major opcode for GLX, if it's supported.
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int glxMajorOpcode;
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int glxFirstError;
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Bool libglvndExtensionSupported;
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} __GLXdisplayInfo;
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typedef struct __GLXlocalDispatchFunctionRec {
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const char *name;
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__GLXextFuncPtr addr;
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} __GLXlocalDispatchFunction;
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/*!
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* A NULL-termianted list of GLX dispatch functions that are implemented in
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* libGLX instead of in any vendor library.
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*/
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extern const __GLXlocalDispatchFunction LOCAL_GLX_DISPATCH_FUNCTIONS[];
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/*!
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* Accessor functions used to retrieve the "current" dispatch table for each of
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* the three types of dispatch tables (see libglxabi.h for an explanation of
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* these types).
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*/
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__GLXvendorInfo *__glXGetDynDispatch(Display *dpy, const int screen);
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/*!
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* Various functions to manage mappings used to determine the screen
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* of a particular GLX call.
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*/
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int __glXAddVendorContextMapping(Display *dpy, GLXContext context, __GLXvendorInfo *vendor);
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void __glXRemoveVendorContextMapping(Display *dpy, GLXContext context);
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__GLXvendorInfo *__glXVendorFromContext(GLXContext context);
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int __glXAddVendorFBConfigMapping(Display *dpy, GLXFBConfig config, __GLXvendorInfo *vendor);
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void __glXRemoveVendorFBConfigMapping(Display *dpy, GLXFBConfig config);
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__GLXvendorInfo *__glXVendorFromFBConfig(Display *dpy, GLXFBConfig config);
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int __glXAddVendorDrawableMapping(Display *dpy, GLXDrawable drawable, __GLXvendorInfo *vendor);
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void __glXRemoveVendorDrawableMapping(Display *dpy, GLXDrawable drawable);
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__GLXvendorInfo *__glXVendorFromDrawable(Display *dpy, GLXDrawable drawable);
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__GLXextFuncPtr __glXGetGLXDispatchAddress(const GLubyte *procName);
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/*!
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* Looks up the vendor by name or screen number. This has the side effect of
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* loading the vendor library if it has not been previously loaded.
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*/
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__GLXvendorInfo *__glXLookupVendorByName(const char *vendorName);
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__GLXvendorInfo *__glXLookupVendorByScreen(Display *dpy, const int screen);
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/*!
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* Looks up the __GLXdisplayInfo structure for a display, creating it if
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* necessary.
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*/
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__GLXdisplayInfo *__glXLookupDisplay(Display *dpy);
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/*!
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* This is called to perform any context-related cleanup when a display is
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* closed.
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*/
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void __glXDisplayClosed(__GLXdisplayInfo *dpyInfo);
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void __glXMappingInit(void);
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/*
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* Close the vendor library and perform any relevant teardown. This should
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* be called when the API library is unloaded.
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*/
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void __glXMappingTeardown(Bool doReset);
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#endif /* __LIB_GLX_MAPPING_H */
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